谁能说说REDHAT AS好在什么地方

compadre

谁能说说REDHAT AS好在什么地方, 和REDHAT9比起来,做服务器更好吗???

yalung

Red Hat Enterprise Linux 3 contains a wide range of new
features, including but not limited to the following:

- Kernel based on 2.4.21 with numerous scalability enhancements:
   * Native Posix Threading Library (NPTL)
   * Thread Local Storage & Futex APIs
   * Per-device locks for block IO
   * Memory management enhancements: RMAP VM & large pages support
   * O(1) scheduler
   * Hyperthreading scheduler
   * Integrated Summit chipset support
   * NFS performance & stability enhancements
   * Large Translation Buffer pages - hugetlbfs
   * Ext3 updates for performance and stability
   * Semtimedop – semaphores with time limitation
   * Fine-grain process accounting (x86 only)
   * ACPI 2.0 (Itanium2 & AMD64 only)
   * Many driver updates and additions

- 4GB/4GB Kernel/User Memory Split (x86 bigmem kernel only)
   * Support for up to 64GB on x86
   * 4GB of virtual address space for kernel and almost 4GB for each
     user process on x86

- Development Environment
   * gcc 3.2.3 tool chain
   * gcc "ssa" tool chain included as a technology preview
   * gcj / libgcj  (Java gcc compiler front-end)
   * gdb 5.3.90 - including multi-threaded core dump and gcore
   * glibc 2.3.2
   * Eclipse 2.1 Developer Environment

- Improved I/O subsystem
   * 64-bit SCSI/Fibre Channel DMA support
   * Up to 256 SCSI devices
   * VaryIO support (permits larger I/O transfers)
   * Serial ATA support - SATA1 (for Intel PIIX/ICH ATA ICH5)
   * Hotplug PCI framework (x86 and ia64 only)
   * Asynchronous I/O on sockets
   * Expanded Asynchronous I/O for disks support

- Desktop enhancements
   * XFree86 4.3.0
   * Bluecurve (tm) graphical user interface (Unified GNOME/KDE look
     and feel)
   * OpenOffice.org 1.0.2 office productivity suite
   * Ximian Evolution 1.4.3
   * Mozilla 1.4

- Improved serviceability
   * Logical Volume Manager (LVM1) support
   * Kernel crash dump and analysis enhancements
   * Configurable application core dump paths
   * Code profiling support included in the kernel (OProfile)
   * Support for diskless systems

- Networking Enhancements
   * Improvements to channel bonding
   * Failover & bandwidth aggregation for servers w/ multiple NICs
   * More complete kernel IPv6 support
   * Kernel IGMP updated from V2 to V3
   * Samba 3.0 (Beta)
   * Apache 2.0 web server
   * TUX web accelerator update

- Security enhancements
   * Filesystem ACLs
   * General purpose cryptographic API in the Kernel
   * Position Independent Executables
   * Kernel support for ipsec on IPV4

- Red Hat Cluster Manager enhancement
   * Multinode high availability clustering with new GUI